Typically the bloblist is positioned at a fixed address in memory until
relocation. This is convenient when it is set up in SPL or before
relocation.
But for EFI we want to set it up only when U-Boot proper is running. Add
a way to allocate it using malloc() and update the documentation to cover
this aspect of bloblist.
Note there are no tests of this feature at present, nor any direct testing
of bloblist_init().
This can be added, e.g. by making this option controllable at runtime.
Signed-off-by: Simon Glass <sjg@chromium.org>
Even if U-Boot has relocation disabled via GD_FLG_SKIP_RELOC , the
relocated stage of U-Boot still picks GD from new_gd location. The
U-Boot itself is not relocated, but GD might be, so copy the GD to
new GD location even if relocation is disabled.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Peng Fan <peng.fan@oss.nxp.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
First, we convert CONFIG_SYS_I2C_LEGACY to Kconfig. Next, as you cannot
have SYS_I2C_LEGACY and DM_I2C at the same time, introduce
CONFIG_SPL_SYS_I2C_LEGACY so that we can enable the legacy option only
in SPL. Finally, for some PowerPC cases we also need
CONFIG_TPL_SYS_I2C_LEGACY support. Convert all of the existing users to
one or more symbols.
Signed-off-by: Tom Rini <trini@konsulko.com>
It is quite confusing that CONFIG_SYS_I2C selects the legacy I2C and
CONFIG_DM_I2C selects the current I2C. The deadline to migrate I2C is less
than a year away.
Also we want to have a CONFIG_I2C for U-Boot proper just like we have
CONFIG_SPL_I2C for SPL, so we can simplify the Makefile rules.
Rename this symbol so it is clear it is going away.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
GCC provides a symbol _init in crti.o on x86_64 and aarch64 but not on
RISC-V. The following lines leads to a build error for sandbox_defconfig on
RISC-V due to the missing symbol:
common/board_f.c:269:
#elif defined(CONFIG_SANDBOX) || defined(CONFIG_EFI_APP)
gd->mon_len = (ulong)&_end - (ulong)_init;
The sandbox code is not copied into the memory allocated using mmap().
Hence we can safely use gd->mon_len = 0 to avoid the reference to _init.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Update the debug trace for the reserved video memory to KB as indicated
in the message with "%luk"; before the patch the computed size
gd->relocaddr - addr is in bytes.
This patch aligns the debug trace in reserve_video() with others
functions, for example on stm32mp157c-dk2:
- Reserving 3080192k for video at: dfd00000
+ Reserving 3008k for video at: dfd00000
Reserving 873k for U-Boot at: dfc25000
Reserving 32776k for malloc() at: ddc23000
Reserving 72 Bytes for Board Info at: ddc22fb0
Reserving 280 Bytes for Global Data at: ddc22e90
Reserving 119072 Bytes for FDT at: ddc05d70
Reserving 0x278 Bytes for bootstage at: ddc05af0
Fixes: 5630d2fbc5 ("board: Show memory for frame buffers")
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Move this out of the common header and include it only where needed. In
a number of cases this requires adding "struct udevice;" to avoid adding
another large header or in other cases replacing / adding missing header
files that had been pulled in, very indirectly. Finally, we have a few
cases where we did not need to include <asm/global_data.h> at all, so
remove that include.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
Typically in TPL/SPL the bloblist is quite small. But U-Boot proper may
want to add a lot more to it, such as ACPI tables.
Add a way to expand the bloblist by relocating it in U-Boot proper, along
with the other relocation activities.
Signed-off-by: Simon Glass <sjg@chromium.org>
Use IS_ENABLED(CONFIG_OF_EMBED) in instead of #ifdefs in reserve_fdt,
reloc_fdt functions.
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
setup_bdinfo is used to populate various bdinfo fields, so move
setup_machine code there, as all it does is setting
gd->bd->bi_arch_number.
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Use IS_ENABLED(CONFIG_TIMER_EARLY) instead of #ifdef in initf_dm. Also,
move timer code to the main ifdef, so that ret is defined.
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Drop initf_console_record wrapper and call console_record_init directly.
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Currently, the following #ifdef construct is used to check whether to run
console_record_init() during pre-relocation init:
defined(CONFIG_CONSOLE_RECORD) && CONFIG_VAL(SYS_MALLOC_F_LEN)
Introduce CONFIG_CONSOLE_RECORD_INIT_F Kconfig option to get rid of the
complex ifdef check. Also, use IS_ENABLED() instead of #ifdef.
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
It is much easier to read the bloblist addresses if it starts on a 4KB
boundary. Update it to align it accordingly.
Signed-off-by: Simon Glass <sjg@chromium.org>
Remove the bi_memstart / bi_memsize assignment in setup_bdinfo() and
make sure, that bd_dram[] is always configured in the weak default
implementation of dram_init_banksize(), when CONFIG_SYS_SDRAM_BASE is
not set.
Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Since commit 86cf1c8285 ("configs: Migrate CONFIG_NR_DRAM_BANKS") &
commit 999a772d9f ("Kconfig: Migrate CONFIG_NR_DRAM_BANKS"),
CONFIG_NR_DRAM_BANKS is always defined with a value (4 is default).
It makes no sense to still carry code that is guarded with
"#ifndef CONFIG_NR_DRAM_BANKS" (and similar). This patch removes
all these unreferenced code paths.
Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Since commit 69153988a6 ("i2c: Finish dropping use of CONFIG_I2C_HARD")
init_func_i2c is wrapped only by "#if defined(CONFIG_SYS_I2C)". Because
of this, the second ifdef within becomes pointless:
#if defined(CONFIG_SYS_I2C)
static int init_func_i2c(void)
<snip>
#ifdef CONFIG_SYS_I2C
...
#else
...
#endif
<snip>
}
#endif
Remove the dead #else preprocessor code.
Fixes: 69153988a6 ("i2c: Finish dropping use of CONFIG_I2C_HARD")
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
There may be a chance that board specific fix_fdt() will change the
size of FDT blob so it's safe to call reserve_fdt() after fix_fdt()
otherwise global data (gd) will overwrite with FDT blob values.
Fixes: a8492e25ac ("riscv: Expand the DT size before copy reserved memory node")
Signed-off-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Now that all arch specific code was converted to setup_bdinfo, we can
remove setup_board_part1.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Factor out ppc-specific bdinfo setup from generic init sequence to
arch_setup_bdinfo in arch/powerpc/lib/bdinfo.c.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Factor out m68k-specific bdinfo setup to arch_setup_bdinfo in
arch/m68k/lib/bdinfo.c. Also, use if(IS_ENABLED()) instead of #ifdef where
possible.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Move sram related bdinfo from arch-specific setup_board_part1 to generic
code in setup_bdinfo. Also use "if (IS_ENABLED(CONFIG_SYS_HAS_SRAM))"
instead of "#ifdef CONFIG_SYS_SRAM_BASE".
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Move all assignments to gd->bd->bi_mem{start,size} to generic code in
setup_bdinfo.
Xtensa architecture is special in this regard as it defines its own
handling of gd->bd->bi_mem{start,size} fields. In order to avoid defining
a weak SDRAM function, let arch_setup_bdinfo overwrite the generic flags.
For ARC architecture, remove ARCH_EARLY_INIT_R from Kconfig since it is
not needed anymore.
Also, use gd->ram_base to populate bi_memstart to avoid an ifdef.
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Acked-by: Alexey Brodkin <abrokdin@synopsys.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Certain architectures (ppc, mips, sh, m68k) use setup board_part1 and
setup_board_part2 calls during pre-relocation init to populate gd->bd
boardinfo fields. This makes the generic init sequence cluttered with
arch-specific ifdefs.
In order to clean these arch-specific sequences from generic init,
introduce arch_setup_bdinfo weak initcall so that everyone can define their
own bdinfo setup routines.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Introduce setup_bdinfo initcall as a generic routine to populate bdinfo
fields.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
The Linux coding style guide (Documentation/process/coding-style.rst)
clearly says:
It's a **mistake** to use typedef for structures and pointers.
Besides, using typedef for structures is annoying when you try to make
headers self-contained.
Let's say you have the following function declaration in a header:
void foo(bd_t *bd);
This is not self-contained since bd_t is not defined.
To tell the compiler what 'bd_t' is, you need to include <asm/u-boot.h>
#include <asm/u-boot.h>
void foo(bd_t *bd);
Then, the include direcective pulls in more bloat needlessly.
If you use 'struct bd_info' instead, it is enough to put a forward
declaration as follows:
struct bd_info;
void foo(struct bd_info *bd);
Right, typedef'ing bd_t is a mistake.
I used coccinelle to generate this commit.
The semantic patch that makes this change is as follows:
<smpl>
@@
typedef bd_t;
@@
-bd_t
+struct bd_info
</smpl>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
While relocating FDT we reserve some memory for the new FDT and
set the size of the FDT with that respect. But FDT may be placed
at the end of the RAM leading to memory access beyond it.
Fix this by copying exact FDT size bytes, not the reserved size.
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
There is no technical reason to add additional 4k space for FDT. This space
is completely unused and just increase memory requirements. This is
problematic on systems with limited memory resources as Xilinx Zynq
CSE/ZynqMP mini and Versal mini configurations.
The patch is removing additional 4k space.
EFI code is using copy_fdt() which copy FDT to different location.
And all boot commands in case of using U-Boot's FDT pointed by
$fdtcontroladdr are copying FDT to different locations by
image_setup_libfdt().
That's why in proper flow none should modified DTB used by U-Boot that's
why there is no need for additional space.
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Move this header out of the common header. Network support is used in
quite a few places but it still does not warrant blanket inclusion.
Note that this net.h header itself has quite a lot in it. It could be
split into the driver-mode support, functions, structures, checksumming,
etc.
Signed-off-by: Simon Glass <sjg@chromium.org>
CONFIG_SYS_SDRAM_BASE maybe zero. Avoid a build warning when compiling with
-Wtype-limits.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Current print_cpuinfo gets the first udevice in CPU class to return
the cpu info. This has problem if the boot CPU is not fixed.
Changing to use new API cpu_get_current_dev to fix the issue.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Introduce arch_reserve_mmu to allow for architecture-specific reserve_mmu
routines. Also, define a weak nop stub for it.
Signed-off-by: Ovidiu Panait <ovpanait@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Move the ARM-specific reserve_mmu definition from common/board_f.c
to arch/arm/lib/cache.c.
Signed-off-by: Ovidiu Panait <ovpanait@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Add a function reserve_stack_aligned() to reserved memory with 16 bits
alignment after the stack pointer (gd->start_addr_sp) and use this new
function in board_f.c to reserve all the memory area (malloc, board, gd,
fdt, bootstage, stacks).
This 16 byte alignment is needed for cast on struct pointer
for the reserved memory, for example:
+ x86_64 ABI: https://reviews.llvm.org/D30049: 16 bytes
+ ARMv8 Instruction Set Overview: quad word, 16 bytes
An other alignment value could be needed for other architecture.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
In reserve_bootstage(), in case size is odd, gd->new_bootstage
is not aligned. In bootstage_relocate(), the platform hangs when
getting access to data->record[i].name.
To avoid this issue, make gd->new_bootstage 16 byte aligned.
To ensure that new_bootstage is 16 byte aligned (at least needed for
x86_64 and ARMv8) and new_bootstage starts down to get enough space,
ALIGN_DOWN macro is used.
Fixes: ac9cd4805c ("bootstage: Correct relocation algorithm")
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas MANOCHA <vikas.manocha@st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
Tested-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
clear_bss is already used by 3 arches (x86, arc, xtensa), so make it generic
and provide a weak nop stub for it. This also removes arch-specific ifdef
duplications around clear_bss.
Signed-off-by: Ovidiu Panait <ovpanait@gmail.com>
This removes the arch-specific checks for "checkcpu" function from the init
sequence. Make "checkcpu" generic and provide a weak nop stub instead.
Signed-off-by: Ovidiu Panait <ovpanait@gmail.com>
At present panic() is in the vsprintf.h header file. That does not seem
like an obvious choice for hang(), even though it relates to panic(). So
let's put hang() in its own header.
Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Migrate a few more files]
Signed-off-by: Tom Rini <trini@konsulko.com>
These three clock functions don't use driver model and should be migrated.
In the meantime, create a new file to hold them.
Signed-off-by: Simon Glass <sjg@chromium.org>
Move this function into init.h which seems to be designed for this sort
of thing. Also update the header to declare struct global_data so that it
can be included without global_data.h being needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
At present bootstage relocation assumes that it is possible to point back
to memory available before relocation, so it does not relocate the
strings. However this is not the case on some platforms, such as x86 which
uses the cache as RAM and loses access to this when the cache is enabled.
Move the relocation step to before U-Boot relocates, expand the allocated
region to include space for the strings and relocate the strings at the
same time as the bootstage records.
This ensures that bootstage data can remain accessible from TPL through
SPL to U-Boot before/after relocation.
Signed-off-by: Simon Glass <sjg@chromium.org>
Make sure that the bloblist starts on an aligned boundary. This protects
against one of the early allocating causing the alignment to be lost.
Signed-off-by: Simon Glass <sjg@chromium.org>
The current code in reserve_noncached() has two issues:
1) The first update of gd->start_addr_sp always rounds down to a section
start. However, the equivalent calculation in cache.c:noncached_init()
always first rounds up to a section start, then subtracts a section size.
These two calculations differ if the initial value is already rounded to
section alignment.
2) The second update of gd->start_addr_sp subtracts exactly
CONFIG_SYS_NONCACHED_MEMORY, whereas the equivalent calculation in
cache.c:noncached_init() rounds the noncached size up to section
alignment before subtracting it. The two calculations differ if the
noncached region size is not a multiple of the MMU section size.
In practice, one/both of those issues causes a practical problem on
Jetson TX1; U-Boot triggers a synchronous abort during initialization,
likely due to overlapping use of some memory region.
This change fixes both these issues by duplicating the exact calculations
from noncached_init() into reserve_noncached().
However, this fix assumes that gd->start_addr_sp on entry to
reserve_noncached() exactly matches mem_malloc_start on entry to
noncached_init(). I haven't traced the code to see whether it absolutely
guarantees this in all (or indeed any!) cases. Consequently, I added some
comments in the hope that this condition will continue to be true.
Fixes: 5f7adb5b1c ("board_f: reserve noncached space below malloc area")
Cc: Vikas Manocha <vikas.manocha@st.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
